MINERAL NUTRITION Quiz 1 1. Some plants growing near nuclear test site take up radioactive (A) Se (B) Sr (C) Au (D) Ag 2. 1. Scientist who demonstrated for the first time that plants could be grown in a defined nutrient solution in complete absence of soil (A) Joseph Priestly (B) J.V. Sachs (C) Jan Ingenhousz (D) Engelmann 3. The micronutrients obtained from CO2 and H2O is/are (A) O (B) C,O (C) C,H,O (D) None 4. The criteria for essentiality of an element is/are (A) Element must be absolutely necessary for supporting normal growth and reproduction (B) In the absence of the element the plant can complete their life cycle (C) Deficiency of any one element can be fulfilled by some other element (D) All of these 5. _____________ elements of the __________ discovered so far are found in different plants (A) 40 elements, 105 (B) <40 elements, 150 (C) >60 elements, 105 (D) <60 elements, 150 6. There are techniques that are able to detect the minerals even at very ___________ concentration (__________). (A) Low, 10^-8 g/ml (B) High, 10^8 kg/l (C) Low, 10^-4 g/ml (D) High, 10^4 kg/l 7. Energy related chemical compounds in chlorophyll is (A) Mg (B) Na (C) P (D) Ca 8. Which of the following is not a microelement (A) Mn (B) Mg (C) Mo (D) Cl 9. Hydroponic has been successfully employed as a technique for the commercial production of vegetable such as (A) Tomato (B) Lettuce (C) Seedless cucumber (D) All of the above 10. The technique of growing plants in a nutrient solution (A) Hydrosonics (B) Hydroponics (C) Mineral culture (D) Tissue culture 11. Essential elements that are elements of energy related chemical components in plants of chlorophyll synthesis (A) Mg, Ca (B) P, Mg (C) Fe, Mg (D) Cu, Ca 12. Which of the following is a trace element (A) Ni (B) Co (C) Ca (D) Au 13. Essential elements as components of biomolecules and structural elements of cell (A) C, N (B) C, Se (C) Se, Co (D) Co, N 14. In technique hydroponics the plant is grown (A) In complete absence of water (B) In complete absence of air (C) In complete absence of soil (D) All of the above 15. Most of the minerals are provided to plant by (A) Air (B) Water (C) Soil (D) Algae 1 out of Time is Up! Time's up
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